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If the maximum acceleration that is tolerable for passengers in the new train system of Oahu is 2 m/s^2 and the train stations are located 750 meters apart, what is the maximum speed the new train can reach between stations? What is the travel time between stations?
Electrons are accelerated through a voltage difference of 300 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons
Light strikes a surface at an angle of 47 degrees. The angleof refraction is measured to be 34 degrees. What is the index of refraction of the material
A ray of light strikes the midpoint of one face of an equiangular (60°-60°-60°) glass prism (n = 1.5) at an angle of incidence of 32.5°. Trace the path of the light ray through the glass, and find the angles of incidence and refraction at each surfa..
A 25 kg child sits in a swing supported by two chains, each 2.7 m long. If the tension in each chain at the lowest point is 147 N, Find the force of the seat on the child at the lowest point
The so-called "hydrogen alpha (Ha) line" is a specific wavelength of red light caused by excited atomic hydrogen. What is the frequency ( in units of cycles per second, or 1/s) of Ha in vacuum
A 160-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 25° with the horizontal. What is the angular speed of the sphere at the bottom of the slope if it starts from rest? ________rad/s
A 5.0 kg bundle starts up a 30° incline with 128 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is 0.40
A flat conductor of thickness 0.500 mm is placed in a magnetic field of 0.200 T perpendicular to the flat surface. what is the Hall voltage generated when 3.40 A flows along the conductor
What is the weight of the heaviest fish that can be pulledup vertically when the line is reeled in (a) at a constant speedand (b) with an acceleration whose magnitude is 2.0 m/s 2
two gliders on a level air track approach each other. One glider has a mass m1= 0.6 kg and a velocity v1= +4 m/s. Calculate the velocity of the joined gliders
Explain how Einstein’s contribution to understanding the force between the earth and the moon differed from Newton’s. Include a brief statement of Einstein’s explanation in your answer.
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB (relative to the threshold of human hearing) for a period of 9.00 hours
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